方坯连铸机拉速优化与控制分析.docx

东北 东北 大学硕 士 学位论 文 A b stfa C t T h e suP erh eat an d ca stin g sP ee d 15 tak en a s a m a in faeto r d eterm in ed the b illet q u ality， a n d b u ild a e o n tr o l m o d e l o f W a te r d istr ib u tio n b a se d o n t he su P e t h e a t. T h e b ille t te m P e ra tu r e a t th e b a se su P e t h e a t 15 ta k e n a s a sta n d a rd P o in t ， w h e n t he su P e r h e a t c h a n g e ， th e e o m P e n sa tio n a m o u n t o f W a te r 15 sim u la te d b y th e h e a t tra n sf er m o d e l to re a e h t h e sta n d a rd tem P eratuxe. T lirou gh the an aly sis of sim u lated data，the relation b etw een suP erheat an d the e o m P e n sa tio n a m o u n t 15 d e riv e d . A f te r e o m P a re th e d if fe re n i c u r v e o f sla b te ln P e r at u re b e f o re a n d a f le r W a te r c o m P e n sa tio n ，t h e d isc iP lin e 15 f o u n d : t h e e h a n g e o f w a te r d ist ri b u t io n b a se d o n th e su P e t h e a t a n d e a stin g sP e e d m o d e l，c a n re d u c e te m P e ra tu re e h a n g e o f t h e b ille t in th e Se c o n d a r y e o o lin g . K e y w o r d s : se e o n d a ry e o o lin g W a te r: h e a t tra n sf er a n d so lid if lc a tio n m o d e l; v ir tu a l e a stin g sP e e d : su P e t h e a t in t u n d ish : o P tim a l e a stin g sP e e d ; o P tim a l m o d e l o f w a te r d istrib u t io n IV 东北 东北 大学硕 士 学位论 文 目录 目 录 独 创 性 声 明 ··············································································.·········....................……I 摘 要 ························································································，····························……n A b stra c t.·················································································································…… I 第 1 章 绪 论 ······················